<template>
  <el-dialog title="新增员工" :visible="showDialog" @close="btnCancel">
    <!-- 表单 -->
    <el-form ref="addEmployee" label-width="120px" :model="formData" :rules="rules">
      <el-form-item label="姓名" prop="username">
        <el-input v-model="formData.username" style="width:50%" placeholder="请输入姓名" />
      </el-form-item>
      <el-form-item label="手机" prop="mobile">
        <el-input v-model="formData.mobile" style="width:50%" placeholder="请输入手机号" />
      </el-form-item>
      <el-form-item label="入职时间" prop="timeOfEntry">
        <el-date-picker v-model="formData.timeOfEntry" style="width:50%" placeholder="请选择入职时间" />
      </el-form-item>
      <el-form-item label="聘用形式" prop="formOfEmployment">
        <el-select v-model="formData.formOfEmployment" style="width:50%" placeholder="请选择">
          <el-option v-for="item in EmployeeEnum.hireType" :key="item.id" :label="item.value" :value="item.id" />
        </el-select>
      </el-form-item>
      <el-form-item label="工号" prop="workNumber">
        <el-input v-model="formData.workNumber" style="width:50%" placeholder="请输入工号" />
      </el-form-item>
      <el-form-item label="部门" prop="departmentName">
        <el-input
          v-model="formData.departmentName"
          style="width:50%"
          placeholder="请选择部门"
          @focus="getDepartments"
        />
        <!-- 放置一个树形组件 -->
        <el-tree
          v-if="showTree"
          v-loading="loading"
          :data="treeData"
          default-expand-all
          :props="{ label: 'name' }"
          @node-click="selectNode"
        />
      </el-form-item>
      <el-form-item label="转正时间" prop="correctionTime">
        <el-date-picker v-model="formData.correctionTime" style="width:50%" placeholder="请选择转正时间" />
      </el-form-item>
    </el-form>
    <!-- footer插槽 -->
    <el-row slot="footer" type="flex" justify="center">
      <el-col :span="6">
        <el-button size="small" @click="btnCancel">取消</el-button>
        <el-button type="primary" size="small" @click="btnOK">确定</el-button>
      </el-col>
    </el-row>
  </el-dialog>
</template>

<script>
import { getDepartments } from '@/api/departments'
import { addEmployee } from '@/api/employees'
import EmployeeEnum from '@/api/constant/employees'
import { transListToTreeData } from '@/utils'
export default {
  props: {
    showDialog: {
      type: Boolean,
      default: false
    }
  },
  data() {
    return {
      EmployeeEnum,
      formData: {
        username: '',
        mobile: '',
        formOfEmployment: '',
        workNumber: '',
        departmentName: '',
        timeOfEntry: '',
        correctionTime: ''
      },
      rules: {
        username: [
          {
            required: true,
            message: '用户姓名不能为空',
            trigger: 'blur'
          },
          {
            min: 1,
            max: 4,
            message: '用户姓名为1-4位'
          }
        ],
        mobile: [
          {
            required: true,
            message: '用户姓名不能为空',
            trigger: 'blur'
          },
          {
            // pattern正则表达式 如果满足 就通过校验如果不满足不通过
            pattern: /^1[3-9]\d{9}$/,
            message: '手机号格式不正确',
            trigger: 'blur'
          }
        ],
        formOfEmployment: [
          {
            required: true,
            message: '聘用形式不能为空',
            trigger: 'blur'
          }
        ],
        workNumber: [
          {
            required: true,
            message: '工号不能为空',
            trigger: 'blur'
          }
        ],
        departmentName: [
          {
            required: true,
            message: '部门不能为空',
            trigger: 'change'// 这里为什么要设置它为change呢
          }
        ],
        timeOfEntry: [
          {
            required: true,
            message: '入职时间',
            trigger: 'blur'
          }
        ]
      },
      treeData: [], // 定义一个数组来接收树形结构
      showTree: false, // 默认不显示树形组件
      loading: false// 加上以进度条
    }
  },
  methods: {
    async getDepartments() {
      this.showTree = true
      this.loading = true
      const { depts } = await getDepartments()
      // depts是一个数组它需要转化成树形结构才可以被el-tree显示
      this.treeData = transListToTreeData(depts, '')
      this.loading = false
    },
    selectNode(node) {
      this.formData.departmentName = node.name
      this.showTree = false
    },
    async btnOK() {
      try {
        // 效验表单
        await this.$refs.addEmployee.validate()
        // 效验成功
        await addEmployee(this.formData)
        this.$message.success('添加成功')
        // 通知父组件 更新数据
        // this.$parent //父组件的实例
        this.$parent.getEmployeeList && this.$parent.getEmployeeList()// 直接调用父组件的更新方法
        this.$parent.showDialog = false
        // 这里不用重置数据因为关闭弹层触发了close事件 close事件绑定了btnCancel方法
      } catch (error) {
        console.log(error)
      }
    },
    btnCancel() {
      this.formData = {
        username: '',
        mobile: '',
        formOfEmployment: '',
        workNumber: '',
        departmentName: '',
        timeOfEntry: '',
        correctionTime: ''
      }
      this.$refs.addEmployee.resetFields()// 移除之前的校验
      //  this.$parent.showDialog = false
      this.$emit('update:showDialog', false)
      // update:props名称 这么写的话 可以在父组件 直接用sync修饰符处理
    }
  }
}
</script>

